Fully charge your headset and mobile device.
Initialize the headset, and pair the headset and the device again (Only MP50).
Unplug and plug the headset via a USB cable.
Perform Update AgainPerform Update Again
Check the following conditions first and then perform the update again using the or Yealink USB Connect.
Turn off or close all other apps running on the mobile device/PC.
Keep the headset as close to the mobile device as possible (Only MP50).
Keep other devices that transmit radio waves, including Bluetooth and Wi-Fi® devices, away from the headset
and the mobile device (Only MP50).
When using an iOS device (iPhone, iPad, etc.), turn off the Google Assistant settings (Only MP50).
CleanClean
Please follow these hygiene practices and keep your products clean.
1. Rub the cloth with a bit of regular soap and water, and dry the excess liquid to prevent the fabric from
dripping. Use only soap and water - do not use a strong cleaner.
2. Gently wipe the phone to ensure no foam on the surface.
3. Leave the phone for at least one minute.
4. Wipe the surface with a slightly damp cloth (water only).
5. Dry in the air.
6. If you do not use the phone, avoid contact with dirty surfaces to keep it clean. If the phone comes with a
charging cradle, you can insert it into the cradle or place it in a protective case/bag.
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